Plant Physiology 45:424-428 (1970)
© 1970 American Society of Plant Biologists
Articles
The Biosynthesis of Ethyl- -glucoside in Extracts of Pea Seedlings 1
Tin-Yin Liu2 and
Paul Castelfranco
a Department of Botany, University of California, Davis, California 95616
An enzyme, which lacks cellobiase activity, responsible for the synthesis of ethyl- -glucoside has been found in the extracts of pea hooks (1-centimeter length of the apical portion of epicotyl) and has been partially purified by ammonium sulfate fractionation. The enzyme can transfer the glucosyl moiety from a group of phenolic -glucosides to ethanol. A specific -glucosyl donor, isosuccinimide -glucoside, isolated from the extracts of pea seedlings shows the highest activity. The characteristics of the enzyme which synthesizes ethyl- -glucoside and the glucosyl donor, isosuccinimide -glucoside, have been studied. The significance of this system (enzyme and isosuccinimide -glucoside) has been discussed.
2 Present address: Department of Biochemistry, University of California, Berkeley, California 94720.
1 Supported in part by Research Grant GM-07352 from the United States Public Health Service.
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